Thinking of the same business, now write a short paragraph about how an economist might use economic models to help the business owner make decisions about trade-offs and opportunity costs. Use all of the following terms.
$\begin{array}{ll}\text { economy } & \text { hypothesis } \\ \text { economic model } & \text { trade-off } \\ \text { production } & \text { opportunity cost } \\ \text { possibilities curve } & \end{array}$